Weatherford International has developed a wellbore isolation assembly for creating barriers in wellbores. The method involves running a workstring with an inner string and isolation packer, positioning them, sealing against flow, and retrieving the assembly. This innovation aims to enhance wellbore operations efficiently. GlobalData’s report on Weatherford International gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Weatherford International, Oil well fracking was a key innovation area identified from patents. Weatherford International's grant share as of January 2024 was 70%. Grant share is based on the ratio of number of grants to total number of patents.
Wellbore isolation assembly for forming barriers in wellbores
The patent application (Publication Number: US20240026752A1) describes a method for running an operation in a wellbore extending through a subterranean formation. The method involves running a workstring into the wellbore, positioning a tubular at a selected location, detaching the tubular, pulling an inner string upwards, positioning and fastening an isolation packer, sealing against flow, and eventually pulling the inner string from the wellbore. Additional steps include circulating fluid through the workstring, inner string, and annulus, as well as cementing the tubular in the wellbore. The method also involves sealing the annulus, using sand screens, gravel packing, and setting an annular packer or liner hanger in the wellbore.
Furthermore, the method includes specific details such as detaching the tubular from the workstring, using a tubular mandrel to prevent flow along an annulus, and sealing against flow through radial ports of the isolation packer. The process also involves removing the isolation packer and tubular mandrel from the wellbore using a retrieval tool, uncoupling the tubular mandrel from the tubular, and sliding a dump port sleeve to allow fluid flow between the isolation packer and the wellbore. These detailed steps and components outlined in the patent application aim to improve the efficiency and effectiveness of operations in a wellbore extending through a subterranean formation.
To know more about GlobalData’s detailed insights on Weatherford International, buy the report here.
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